OFFSET
1,1
COMMENTS
Column 4 of A297582.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +6*a(n-2) +24*a(n-3) +14*a(n-4) -26*a(n-5) -40*a(n-6) -35*a(n-7) +23*a(n-8) +48*a(n-9) -5*a(n-10) -7*a(n-11) -a(n-12) -2*a(n-14) -a(n-15) +a(n-16)
EXAMPLE
Some solutions for n=7
..0..0..0..0. .0..0..0..1. .0..1..1..1. .0..1..0..0. .0..0..0..1
..0..0..0..0. .0..1..1..1. .0..1..0..1. .1..0..0..1. .0..1..1..0
..1..1..0..0. .0..0..0..1. .0..0..0..0. .0..0..1..0. .0..1..0..1
..0..0..0..1. .0..0..0..0. .0..1..0..0. .1..0..0..0. .0..0..0..0
..0..1..1..1. .0..0..1..0. .1..0..0..0. .0..1..0..0. .0..1..0..1
..0..1..0..0. .1..1..1..0. .1..0..1..0. .0..0..0..1. .0..1..1..1
..0..0..0..0. .1..0..0..0. .1..1..1..0. .0..0..1..0. .0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 2018
STATUS
approved